JPS6150251U - - Google Patents
Info
- Publication number
- JPS6150251U JPS6150251U JP14045685U JP14045685U JPS6150251U JP S6150251 U JPS6150251 U JP S6150251U JP 14045685 U JP14045685 U JP 14045685U JP 14045685 U JP14045685 U JP 14045685U JP S6150251 U JPS6150251 U JP S6150251U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- cell
- modulation type
- fluid modulation
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007789 gas Substances 0.000 claims 13
- 239000012530 fluid Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案のガス分析装置を示す説明図、
第２図は本考案の別実施例を示す説明図、第３図
はガス置換波形を示すグラフ、第４図は変調効率
を示すグラフ、第５図は出力−流量特性を示すグ
ラフ、第６，７図はそれぞれ３mm及び３５mmのダ
ブルセルを用いて行つた流量変動試験の結果を示
すグラフ、第８図は試料ガス／基準ガスの流量比
と出力変化との関係を示すグラフである。
３ａ，３ｂ…ダブルセル、９…ロータリーバル
ブ、２３，２４…ガス流出流路、２７，２８，３
１…音速ノズル。
FIG. 1 is an explanatory diagram showing the gas analyzer of the present invention;
Fig. 2 is an explanatory diagram showing another embodiment of the present invention, Fig. 3 is a graph showing the gas replacement waveform, Fig. 4 is a graph showing modulation efficiency, Fig. 5 is a graph showing the output-flow rate characteristic, and Fig. 6 is a graph showing the modulation efficiency. , 7 are graphs showing the results of flow rate fluctuation tests conducted using 3 mm and 35 mm double cells, respectively, and FIG. 8 is a graph showing the relationship between the flow rate ratio of sample gas/reference gas and output change. 3a, 3b...Double cell, 9...Rotary valve, 23, 24...Gas outflow channel, 27, 28, 3
1...Sonic nozzle.
Claims (1)
周期で交互に、かつ各セル内のガスを互いちがい
となるように導入する流体変調方式のガス分析装
置において、各セルに導入される試料ガスと基準
ガスの流量が等流量に設定され、かつダブルセル
からのガス排出流路中に音速ノズルを設け、この
音速ノズルを臨界ガス流れ条件下で動作させるこ
とにより、前記セルに常に定流量のガスが流れる
ようにしたことを特徴とする流体変調方式のガス
分析装置。 (2) 前記試料ガス、基準ガスのセル内への導入
切換手段としてロータリーバルブを用いた実用新
案登録請求の範囲第(1)項に記載の流体変調方式
のガス分析装置。[Claims for Utility Model Registration] (1) In a fluid modulation type gas analyzer in which a sample gas and a reference gas are introduced into a double cell alternately at a fixed period, and the gases in each cell are introduced differently from each other, By setting the flow rates of the sample gas and reference gas introduced into each cell at equal flow rates, and providing a sonic nozzle in the gas exhaust flow path from the double cell, and operating this sonic nozzle under critical gas flow conditions, A fluid modulation type gas analyzer characterized in that a constant flow of gas always flows through the cell. (2) The fluid modulation type gas analyzer according to claim (1), which uses a rotary valve as a switching means for introducing the sample gas and the reference gas into the cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985140456U JPH0216281Y2 (en) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985140456U JPH0216281Y2 (en) | 1985-09-12 | 1985-09-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6150251U true JPS6150251U (en) | 1986-04-04 |
| JPH0216281Y2 JPH0216281Y2 (en) | 1990-05-02 |
Family
ID=30698810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985140456U Expired JPH0216281Y2 (en) | 1985-09-12 | 1985-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0216281Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4947863A (en) * | 1972-09-13 | 1974-05-09 | ||
| JPS5494387A (en) * | 1978-01-10 | 1979-07-26 | Horiba Ltd | Gas analyzer |
-
1985
- 1985-09-12 JP JP1985140456U patent/JPH0216281Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4947863A (en) * | 1972-09-13 | 1974-05-09 | ||
| JPS5494387A (en) * | 1978-01-10 | 1979-07-26 | Horiba Ltd | Gas analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0216281Y2 (en) | 1990-05-02 |
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